Senior Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Summary of Debt

Debt consisted of the following at June 30, 2018 and December 31, 2017:

(Table only in thousands)	June 30, 2018			December 31, 2017
Outstanding borrowings under Credit Facility (defined below).    Term loan balance due upon maturity in September 2020.
- Term loan	$	83,147		$	113,903
- U.S. Dollar revolving loans		—			1,000
- Unamortized debt discount		(2,252	)		(2,834	)
Total outstanding borrowings under Credit Facility		80,895			112,069
Outstanding borrowings (U.S. dollar equivalent) under    Aarding Facility (defined below)		—			2,764
Total outstanding borrowings		80,895			114,833
Less: current portion		—			11,296
Total debt, less current portion	$	80,895		$	103,537